Started work on the new RSS feed downloader (WIP)

src/rss/rssdownloadrulelist.cpp

@@ -0,0 +1,88 @@
+/*
+ * Bittorrent Client using Qt4 and libtorrent.
+ * Copyright (C) 2010  Christophe Dumez
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include "rssdownloadrulelist.h"
+#include "qinisettings.h"
+
+RssDownloadRuleList* RssDownloadRuleList::m_instance = 0;
+
+RssDownloadRuleList::RssDownloadRuleList(){
+  loadRulesFromStorage();
+}
+
+RssDownloadRuleList* RssDownloadRuleList::instance()
+{
+  if(!m_instance)
+    m_instance = new RssDownloadRuleList;
+  return m_instance;
+}
+
+void RssDownloadRuleList::drop()
+{
+  if(m_instance)
+    delete m_instance;
+}
+
+const RssDownloadRule * RssDownloadRuleList::findMatchingRule(const QString &feed_url, const QString &article_title) const
+{
+  const QList<RssDownloadRule*> rules = feedRules(feed_url);
+  foreach(const RssDownloadRule* rule, rules) {
+    if(rule->matches(article_title)) return rule;
+  }
+  return 0;
+}
+
+void RssDownloadRuleList::loadRulesFromStorage()
+{
+  QIniSettings qBTRSS("qBittorrent", "qBittorrent-rss");
+  if(qBTRSS.contains("feed_filters")) {
+    importRulesInOldFormat(qBTRSS.value("feed_filters").toHash());
+  }
+}
+
+void RssDownloadRuleList::importRulesInOldFormat(const QHash<QString, QVariant> &rules)
+{
+  foreach(const QString &feed_url, rules.keys()) {
+    const QHash<QString, QVariant> feed_rules = rules.value(feed_url).toHash();
+    foreach(const QString &rule_name, feed_rules.keys()) {
+      const RssDownloadRule rule = RssDownloadRule::fromOldFormat(feed_rules.value(rule_name).toHash(), feed_url, rule_name);
+      append(rule);
+    }
+  }
+}
+
+void RssDownloadRuleList::append(const RssDownloadRule &rule)
+{
+  Q_ASSERT(!contains(rule));
+  QList<RssDownloadRule>::append(rule);
+  foreach(const QString &feed_url, rule.rssFeeds()) {
+    m_feedRules[feed_url].append(&last());
+  }
+}